Description

3-Pyridinecarboxylic Acid, 5-[(2,3-Dichlorophenyl)Azo]-1,2-Dihydro-4,6-Dihydroxy-2-Oxo-1-Phenyl-, Methyl Ester (9Ci) is a specialized azo dye intermediate with a complex heterocyclic structure. This compound is valued for its role in synthesizing high-performance pigments and dyes, offering specific color and stability properties. It is primarily required by manufacturers in the fine chemicals, advanced material science, and research and development sectors for creating novel colorants and functional materials.

Application

• High-Performance Pigment Synthesis: A key intermediate for producing specialized azo pigments used in coatings, inks, and plastics.
• Functional Dye Manufacturing: Used in the development of dyes for textiles, leather, and other industrial applications requiring specific lightfastness.
• Research & Development: Serves as a crucial building block in academic and industrial R&D for novel chromophores and materials science projects.
• Analytical Chemistry: Potential use as a reagent or standard in chromatographic analysis and method development due to its distinct structure.
• Photographic and Imaging Chemicals: Can be utilized in the synthesis of chemicals for specialized photographic and imaging technologies.
• Liquid Crystal and OLED Material Research: Investigated as a precursor for colorants in display and optoelectronic device applications.

Basic Information

Product Name	3-Pyridinecarboxylic Acid, 5-[(2,3-Dichlorophenyl)Azo]-1,2-Dihydro-4,6-Dihydroxy-2-Oxo-1-Phenyl-, Methyl Ester (9Ci)
CAS No.	888320-77-2
Molecular Formula	C20H14Cl2N4O5
Molecular Weight	461.26 g/mol
Synonyms	Methyl 5-[(2,3-dichlorophenyl)azo]-1,2-dihydro-4,6-dihydroxy-2-oxo-1-phenyl-3-pyridinecarboxylate; 5-[(2,3-Dichlorophenyl)azo]-1,2-dihydro-4,6-dihydroxy-2-oxo-1-phenyl-3-pyridinecarboxylic acid methyl ester; Azo dye intermediate 888320-77-2; 3-Pyridinecarboxylic acid, 5-[(2,3-dichlorophenyl)azo]-1,2-dihydro-4,6-dihydroxy-2-oxo-1-phenyl-, methyl ester; 9CI compound 888320-77-2
EINECS	Contact for details

Quality Control

Our production of this specialized intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity. Quality is verified through advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to handle and store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 95.0% (Standard Grade)
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.